Home / 43,143,826.80-64,715,740.20-14,390,900.40

Finding the Fourth Proportional to 43,143,826.80, 64,715,740.20 and 14,390,900.40

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Solution

The fourth proportional to 43,143,826.80, 64,715,740.20 and 14,390,900.40 is: 21,586,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143,826.80 : 64,715,740.20 = 14,390,900.40 : x
  2. Step 2: Convert to fraction form
    43,143,826.80/64,715,740.20 = 14,390,900.40/x
  3. Step 3: Cross multiply
    43,143,826.80x = 64,715,740.20 × 14,390,900.40
  4. Step 4: Simplify right side
    43,143,826.80x = 931,317,771,530,476.12
  5. Step 5: Solve for x
    x = 931,317,771,530,476.12/43,143,826.80
  6. Step 6: Final answer
    x = 21,586,350.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.